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Finding the Fourth Proportional to 95,862,905.60, 143,794,358.40 and 80,557,404.80

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Solution

The fourth proportional to 95,862,905.60, 143,794,358.40 and 80,557,404.80 is: 120,836,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,862,905.60 : 143,794,358.40 = 80,557,404.80 : x
  2. Step 2: Convert to fraction form
    95,862,905.60/143,794,358.40 = 80,557,404.80/x
  3. Step 3: Cross multiply
    95,862,905.60x = 143,794,358.40 × 80,557,404.80
  4. Step 4: Simplify right side
    95,862,905.60x = 11,583,700,337,585,080
  5. Step 5: Solve for x
    x = 11,583,700,337,585,080/95,862,905.60
  6. Step 6: Final answer
    x = 120,836,107.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.